单片机转向灯毕业设计.docxVIP

郑州科技学院 本科毕业设计（论文） 题目 姓名 专业 学号 指导教师 郑州科技学院电气工程学院 二零一四年五月 摘■要 本设计是设计一个单片机控制系统。在汽车进行左转弯、右转弯、刹车、合紧急开关、停靠等操作时，实现对各种信号指示灯的控制。本设计主要是对单片机的并行输入/输出口电路的应用，通过I/O口控制发光二极管的亮﹑灭﹑闪烁，加上一些复位电路﹑按键电路﹑驱动电路来模拟汽车尾灯的功能。 汽车在驾驶时有左转弯、右转弯、刹车、合紧急开关、停靠等操作。在左转弯或右转弯时，通过转弯操应使左转开关或右转开关合上，从而使左头灯、仪表板左转弯灯、左尾灯或右头灯、仪表板右转弯灯、右尾灯闪烁；合紧急开关时要求前面所述的6个信号灯全部闪烁；汽车刹车时，两个尾灯点亮；如正当转弯时刹车，则转弯时原应闪烁的信号灯仍应闪烁。以上闪烁，都是频率为1Hz的低频闪烁；在汽车停靠而停靠开关合上时，左头灯、右头灯、左尾灯、右尾灯按频率为30Hz的高频闪烁。 ABSTRACT this design is to design a monolithic integrated circuits to control system. in the car to turn left and right, the brakes, to open the door, called for urgent action to implement the various signal sign of control. this design is primarily to monolithic integrated circuits of the export of the circuit in parallel lost. i turned around and control of light through And bright, shining out, and some clear, and buttons, the driving circuit circuit to a function of the taillights. the car was driving up turn left and right, the brakes, to open the door, called an emergency operations. in turn left or right, through the turn should be left or right switch to switch on the left, the dashboard turn left or right and left the taillight the instrument panel lamp, and turning right, the right rear lights flickered ； switch to the emergency requires that the previous 。The six the light shone in the car braked all ；, two of the taillights like a light ； just round the corner, the corners of the original signal shall be still flickered. the above, are the frequency of the low frequencies 1hz ； in a car and close at the switch when, right and left the taillight, the right rear lights for the frequency of high frequency a 30hz. by doing physical, program, completed the design demands. the design of a monolithic integrated circuits has further the 1 绪论 选题背景 汽车转向灯是关系到行车安全的重要因素之一，有相当一部分事故是由于驾驶员没有正确使用转向灯造成的。转向灯在车内由驾驶员直接控制，但由于驾驶员有可能在转向、超车、变道时忘记开启转向灯，或者完成上述动作后忘记关闭转向灯，这样便存在很大的安全隐患。 电子技术的发展经历了很长一段路程，而现在我们使用的微型电子技算机是超大规模集成电路所构成，它属于第四代计算机，而单片机则是微型计算机的一部分。从微型计算机问世以来，由于实际应用的